package com.zh.mediaservice.handler;
import com.zh.mediacommon.constant.MessageConstant;
import com.zh.mediacommon.ecxeption.BaseException;
import com.zh.mediacommon.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }
    /**
     * 捕获SQL异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){
//        Duplicate entry 'zh1' for key 'employee.idx_username'
        String msg = ex.getMessage();
        if(msg.contains("Duplicate entry") && msg.contains("\'user.username\'")){
            String[] s = msg.split(" ");
            String username = s[2];
            String rmsg=username+ MessageConstant.ALREADY_EXISTS;
            return Result.error(rmsg);
        }
        return Result.error(MessageConstant.UNKNOWN_ERROR);
    }
    @ExceptionHandler
    public Result exceptionHandler(NullPointerException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(MessageConstant.HAVE_NULL_DATA);
    }

}
